Intel Desktop Board DX79SI Technical Product Specification
viii
2
Technical Reference
2.1
Memory Resources .......................................................................... 43
2.1.1
Addressable Memory ............................................................. 43
2.1.2
Memory Map ........................................................................ 45
2.2
Connectors and Headers ................................................................... 45
2.2.1
Back Panel Connectors .......................................................... 46
2.2.2
Component-side Connectors and Headers ................................ 48
2.3
Jumper Block .................................................................................. 58
2.4
Mechanical Considerations ................................................................ 60
2.4.1
Form Factor ......................................................................... 60
2.5
Electrical Considerations ................................................................... 61
2.5.1
Power Supply Considerations ................................................. 61
2.5.2
Fan Header Current Capability ................................................ 62
2.5.3
Add-in Board Considerations .................................................. 62
2.6
Thermal Considerations .................................................................... 63
2.7
Reliability ....................................................................................... 65
2.8
Environmental ................................................................................ 65
3
Overview of BIOS Features
3.1
Introduction ................................................................................... 67
3.2
BIOS Flash Memory Organization ....................................................... 68
3.3
Resource Configuration .................................................................... 68
3.3.1
PCI Autoconfiguration ........................................................... 68
3.4
System Management BIOS (SMBIOS) ................................................. 69
3.5
Legacy USB Support ........................................................................ 69
3.6
BIOS Updates ................................................................................. 70
3.6.1
Language Support ................................................................ 70
3.6.2
Custom Splash Screen .......................................................... 71
3.7
BIOS Recovery ................................................................................ 71
3.8
Boot Options ................................................................................... 72
3.8.1
Optical Drive Boot ................................................................ 72
3.8.2
Network Boot ....................................................................... 72
3.8.3
Booting Without Attached Devices .......................................... 72
3.8.4
Changing the Default Boot Device During POST ........................ 72
3.9
Adjusting Boot Speed ....................................................................... 73
3.9.1
Peripheral Selection and Configuration .................................... 73
3.9.2
BIOS Boot Optimizations ....................................................... 73
3.10
BIOS Security Features .................................................................... 74
3.11
BIOS Performance Features .............................................................. 75
4
Error Messages and Beep Codes
4.1
Speaker ......................................................................................... 77
4.2
BIOS Beep Codes ............................................................................ 77
4.3
Front-panel Power LED Blink Codes .................................................... 78
4.4
BIOS Error Messages ....................................................................... 78
4.5
Port 80h POST Codes ....................................................................... 79
Summary of Contents for BLKDX79SI
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